189682900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{172439}}^1$

素因数の和:172464

約数の個数: 36

約数和(自身を含む): 449033760

約数和(自身を除く): 259350860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 172439, 344878, 689756, 862195, 1724390, 1896829, 3448780, 3793658, 4310975, 7587316, 8621950, 9484145, 17243900, 18968290, 37936580, 47420725, 94841450, 189682900]

約数ペア:

[(1, 189682900), (2, 94841450), (4, 47420725), (5, 37936580), (10, 18968290), (11, 17243900), (20, 9484145), (22, 8621950), (25, 7587316), (44, 4310975), (50, 3793658), (55, 3448780), (100, 1896829), (110, 1724390), (220, 862195), (275, 689756), (550, 344878), (1100, 172439)]